Aleshin Sergey
From Moscow, Russia
EMA: 15990200
Internal rating (RR)
Rating date Jan. 26, 2025 (latest changes Jan. 26, 2025).
10 place (709.91).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (647.06 * 3.05 * 1 + 471.26 * 3.75 * 0.43 + 1000 * 4 * 0.57 + 317.76 * 4.60 * 1 + 980.39 * 3.05 * 1 + 835.44 * 3.65 * 1 + 905.26 * 3.85 * 1 + 382.02 * 3.75 * 1) / (3.05 * 1 + 3.75 * 0.43 + 4 * 0.57 + 4.60 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1) = 674.6802307021092
p2 = (905.26 * 3.85 * 1 + 835.44 * 3.65 * 1 + 980.39 * 3.05 * 1 + 1000 * 4 * 0.57) / max_coefficients = 745.1375394321767
score = 674.6802307021092 * 0.5 + 745.1375394321767 * 0.5 = 709.9088850671429
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-07 | 11 -> 10 | 709.91 | |
| 2025-01-03 | 8 -> 11 | 731.46 -> 709.91 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-11 | 8 | 729.37 -> 731.46 |
Money can not buy tenpai: 57% -> 43% |
| 2024-11-06 | 7 -> 8 | 732.30 -> 729.37 |
IX Russian Riichi Championship: 14% -> 0% |
| 2024-11-03 | 7 | 753.54 -> 732.30 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 3 -> 7 | 785.68 -> 753.54 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 4 -> 3 | 782.82 -> 785.68 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-06 | 3 -> 4 | 785.35 -> 782.82 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 3 | 791.18 -> 785.35 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 5 -> 3 | 749.63 -> 791.18 |
SPB Riichi Open 2024: 0% -> 100% |